c++/8863: [mainline regression] segfault with anonymous union

[jh@suse.cz]

>Number:         8863
>Category:       c++
>Synopsis:       [mainline regression] segfault with anonymous union
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Dec 07 13:36:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     jh@suse.cz
>Release:        3.3 CVS
>Organization:
>Environment:
x86_64-unknown-linux
>Description:
Produces segmentation fault as anonymous_union is NULL for some reason.
>How-To-Repeat:
gcc -O2 segfault.ii

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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